21377996145

Names of 21377996145

• Cardinal: 21377996145 can be written as Twenty-one billion, three hundred seventy-seven million, nine hundred ninety-six thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 2.1377996145 × 10¹⁰

Factors of 21377996145

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 602

Divisors of 21377996145

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 11 15 17 27 33 45 51 55 85 99 109 135 153 165 187 255 289 297 327 457 459 495 545 561 765 867 935 981 1199 1371 1445 1485 1635 1683 1853 2285 2295 2601 2805 2943 3179 3597 4113 4335 4905 5027 5049 5559 5995 6855 7769 7803 8415 9265 9537 10791 12339 13005 14715 15081 15895 16677 17985 20383 20565 23307 25135 25245 27795 28611 31501 32373 38845 39015 45243 47685 49813 50031 53955 61149 61695 69921 75405 83385 85459 85833 94503 101915 116535 132073 135729 143055 149439 157505 161865 183447 209763 226215 249065 250155 256377 283509 305745 346511 349605 396219 427295 429165 448317 472515 547943 550341 660365 678645 747195 769131 846821 850527 917235 1039533 1048815 1188657 1281885 1344951 1417545 1452803 1643829 1732555 1981095 2241585 2307393 2540463 2739715 2751705 3118599 3565971 3845655 4234105 4252635 4358409 4931487 5197665 5943285 6724755 7264015 7621389 8219145 9315031 9355797 11536965 12702315 13075227 14395957 14794461 15592995 17829855 21792045 22864167 24657435 27945093 38106945 39225681 43187871 46575155 46778985 65376135 71979785 73972305 83835279 114320835 129563613 139725465 158355527 196128405 215939355 251505837 388690839 419176395 475066581 647818065 791777635 1257529185 1425199743 1943454195 2375332905 4275599229 7125998715 21377996145
• Sum of all divisors σ(n): 44543980800
• Sum of proper divisors (its aliquot sum) s(n): 23165984655
• 21377996145 is an abundant number, because the sum of its proper divisors (23165984655) is greater than itself. Its abundance is 1787988510

Bases of 21377996145

• Binary: 10011111010001110100101010101110001₂
• Hexadecimal: 0x4FA3A5571
• Base-36: 9TJWNE9

Squares and roots of 21377996145

• 21377996145 squared (21377996145²) is 457018719175634861025
• 21377996145 cubed (21377996145³) is 9770144416729559636920060748625
• The square root of 21377996145 is 146212.1614127909
• The cube root of 21377996145 is 2775.3792147943

Scales and comparisons

• 21,377,996,145 seconds is equal to 679 years, 39 weeks, 1 day, 12 hours, 15 minutes, 45 seconds.
• To count from 1 to 21,377,996,145 would take you about one thousand, three hundred fifty-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21377996145 cubic inches would be around 231.3 feet tall.

Recreational maths with 21377996145

• 21377996145 backwards is 54169977312
• The number of decimal digits it has is: 11
• The sum of 21377996145's digits is 54
• More coming soon!